New Original USB 3.0 External Sony Optiarc BD-5750L 5740 Blu-Ray Burner Writer BD-RE DVD RW Drive. For All Laptop/Notebook that confirms to the Blu-Ray Standard. Burner Writer BD-RE DVD RW Drive The burner is composed of two parts, one is SATA internal Sony BD-5750L 5740 BD burner, another is SATA-usb 3.0 case, i just put the burner into the case.
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